This is a shape puzzle. Enteropathic arthritis is a seronegative (HLA-B27-associated) arthritis. Fit this jigsaw together to identify three causes and two joints that are often involved in this disease. What other joint is commonly involved?

Clue: The pieces join together to form a pyramid.

Taken from the forthcoming Puzzling Out... series by Remedica Publishing. For more information or to claim your studentBMJ discount call Rachel on: 020 7554 0741 or contact books@remedica.com

For the answers to the quiz, click on the following link

Answers



studentBMJ 2005;13:1-44 January ISSN 0966-6494

Guidelines: We intend publishing within 24 hours all responses that contribute substantially to the topic under discussion. To avoid points that have already been made please read other people's responses before posting your own. All responses will be eligible for publication in the paper studentBMJ, providing that current appointment and place of work are given. Name and email address are required to send a response and will be published with the response.

Please note: When writing a respnse to a response, please enter the original title of the article and the author of the response you are responding to.